Miyu Edelfelt is a central character in the anime series Fate/kaleid liner Prisma☆Illya. She is initially introduced as a mysterious and quiet girl who becomes the second magical girl after Illya. Her stoic demeanor hides a compassionate and caring personality, and she gradually opens up to her new friends. Miyu's role in the series is significant as she is later revealed to be a key figure with a complex backstory, tied to the Holy Grail War and possessing immense magical abilities. Her journey is one of self-discovery, friendship, and sacrifice.